package com.jialiang.yojcodesandbox.docker;

import com.github.dockerjava.api.DockerClient;
import com.github.dockerjava.api.command.*;
import com.github.dockerjava.api.model.*;
import com.github.dockerjava.core.DockerClientBuilder;
import com.github.dockerjava.core.command.LogContainerResultCallback;

import java.util.List;

/**
 * 用 Java 操作 Docker
 */
public class DockerDemo {
    public static void main(String[] args) throws InterruptedException {

        // 获取默认的 Docker Client
        DockerClient dockerClient = DockerClientBuilder.getInstance().build();

        // 获取服务器上的镜像
        // List<Image> images = dockerClient.listImagesCmd().exec();
        // for(Image image : images) {
        //     System.out.println(image.getRepoTags()[0]);
        // }

        // 拉取镜像

        // 拉取镜像
        String image = "hello-world:latest";
        // PullImageCmd pullImageCmd = dockerClient.pullImageCmd(image);
        // PullImageResultCallback pullImageResultCallback = new PullImageResultCallback() {
        //     @Override
        //     public void onNext(PullResponseItem item) {
        //         System.out.println("下载镜像：" + item.getStatus());
        //         super.onNext(item);
        //     }
        // };
        // pullImageCmd
        //         .exec(pullImageResultCallback)
        //         .awaitCompletion();
        // System.out.println("下载完成");

        // 创建容器
        CreateContainerCmd containerCmd = dockerClient.createContainerCmd(image);
        CreateContainerResponse createContainerResponse = containerCmd.exec();
        //
        System.out.println(createContainerResponse);
        String containerId = createContainerResponse.getId();

        // 查看容器状态
        ListContainersCmd listContainersCmd = dockerClient.listContainersCmd();
        List<Container> containerList = listContainersCmd.withShowAll(true).exec();
        for (Container container : containerList) {
            System.out.println(container);
        }

        // 启动容器
        dockerClient.startContainerCmd(containerId).exec();

        // 查看日志回调方法
        LogContainerResultCallback logContainerResultCallback = new LogContainerResultCallback() {
            @Override
            public void onNext(Frame item) {
                System.out.println(item.getStreamType());
                System.out.println("日志：" + new String(item.getPayload()));
                super.onNext(item);
            }
        };

        // 阻塞等待日志输出
        dockerClient.logContainerCmd(containerId)
                .withStdErr(true)
                .withStdOut(true)
                .exec(logContainerResultCallback)
                .awaitCompletion();

        // 删除容器
        // dockerClient.removeContainerCmd(containerId).withForce(true).exec();

        // 删除镜像
        // dockerClient.removeImageCmd(image).exec();
    }
}